Table 2.

Biochemical outcomes after storage of saphenous vein grafts in DuraGraft, saline and heparinized autologous blood. A p-value < 0.017 was considered significant implementing a Bonferroni correction

	DuraGraft (DG) N = 50	Saline (S) N = 50	Heparinized blood (HB) N = 50	p-value DG vs S	p-value DG vs HB	p-value S vs HB
Total oxidative stress [TOS, µmol H2O2 eqv.]	32.6 ± 1.8	39.6 ± 2.8	40.6 ± 2.4	< 0.0001	< 0.0001	0.047
Total antioxidant status [TAS, mmol Trolox eqv.]	8.9 ± 0.9	6.9 ± 1.0	8.6 ± 0.9	< 0.0001	0.263	< 0.0001
Oxidative stress index [TOS (µmol H2O2 eqv.)/TAS (mmol Trolox eqv.)]	3.7 ± 0.2	5.8 ± 0.4	4.7 ± 0.2	< 0.0001	< 0.0001	< 0.0001